./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d0dccb546eb4b6073440e35f84e65f26e1b336b28d43ba14294b887452d7de1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:15:02,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:15:02,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Default.epf [2023-11-19 04:15:02,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:15:02,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:15:02,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:15:02,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:15:02,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:15:02,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:15:02,828 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:15:02,829 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:15:02,829 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:15:02,830 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:15:02,830 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:15:02,831 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:15:02,832 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:15:02,832 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:15:02,833 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:15:02,833 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:15:02,834 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:15:02,835 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:15:02,835 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:15:02,836 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:15:02,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:15:02,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:15:02,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:15:02,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:15:02,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:15:02,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:15:02,840 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:15:02,841 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:15:02,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:15:02,842 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:15:02,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:15:02,843 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:15:02,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:02,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:15:02,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:15:02,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:15:02,846 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:15:02,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:15:02,847 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:15:02,847 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:15:02,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:15:02,848 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d0dccb546eb4b6073440e35f84e65f26e1b336b28d43ba14294b887452d7de1 [2023-11-19 04:15:03,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:15:03,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:15:03,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:15:03,223 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:15:03,223 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:15:03,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i [2023-11-19 04:15:06,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:15:08,761 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:15:08,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i [2023-11-19 04:15:09,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/data/7358dc929/3f42bd3cea164103a4b25033b6d2e276/FLAGa2e0b32d0 [2023-11-19 04:15:09,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/data/7358dc929/3f42bd3cea164103a4b25033b6d2e276 [2023-11-19 04:15:09,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:15:09,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:15:09,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:09,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:15:09,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:15:09,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:09" (1/1) ... [2023-11-19 04:15:09,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613a8a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:09, skipping insertion in model container [2023-11-19 04:15:09,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:09" (1/1) ... [2023-11-19 04:15:09,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:15:44,722 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memcpy_chk [2023-11-19 04:15:44,729 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memmove_chk [2023-11-19 04:15:44,733 WARN L635 FunctionHandler]: implicit declaration of function __builtin___mempcpy_chk [2023-11-19 04:15:44,735 WARN L635 FunctionHandler]: implicit declaration of function __builtin___memset_chk [2023-11-19 04:15:44,742 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcpy_chk [2023-11-19 04:15:44,743 WARN L635 FunctionHandler]: implicit declaration of function __builtin___stpcpy_chk [2023-11-19 04:15:44,745 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncpy_chk [2023-11-19 04:15:44,748 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strcat_chk [2023-11-19 04:15:44,752 WARN L635 FunctionHandler]: implicit declaration of function __builtin___strncat_chk [2023-11-19 04:15:44,847 WARN L635 FunctionHandler]: implicit declaration of function __builtin___vsnprintf_chk [2023-11-19 04:15:45,002 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strspn [2023-11-19 04:15:45,809 WARN L635 FunctionHandler]: implicit declaration of function __builtin_strcspn [2023-11-19 04:15:46,142 ERROR L324 MainTranslator]: Unsupported Syntax: The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. [2023-11-19 04:15:46,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45adfb35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:46, skipping insertion in model container [2023-11-19 04:15:46,144 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:46,145 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 04:15:46,147 INFO L158 Benchmark]: Toolchain (without parser) took 37114.00ms. Allocated memory was 222.3MB in the beginning and 362.8MB in the end (delta: 140.5MB). Free memory was 130.3MB in the beginning and 139.6MB in the end (delta: -9.3MB). Peak memory consumption was 260.2MB. Max. memory is 16.1GB. [2023-11-19 04:15:46,149 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 144.7MB. Free memory was 113.3MB in the beginning and 113.2MB in the end (delta: 85.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:15:46,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 37110.99ms. Allocated memory was 222.3MB in the beginning and 362.8MB in the end (delta: 140.5MB). Free memory was 130.3MB in the beginning and 139.6MB in the end (delta: -9.3MB). Peak memory consumption was 260.2MB. Max. memory is 16.1GB. [2023-11-19 04:15:46,152 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52ms. Allocated memory is still 144.7MB. Free memory was 113.3MB in the beginning and 113.2MB in the end (delta: 85.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 37110.99ms. Allocated memory was 222.3MB in the beginning and 362.8MB in the end (delta: 140.5MB). Free memory was 130.3MB in the beginning and 139.6MB in the end (delta: -9.3MB). Peak memory consumption was 260.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 36608]: Unsupported Syntax The second argument of the pthread_mutex_init is not a null pointer. This means that non-default attributes are used. We support only the default attributes. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d0dccb546eb4b6073440e35f84e65f26e1b336b28d43ba14294b887452d7de1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:15:48,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:15:48,852 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2023-11-19 04:15:48,861 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:15:48,862 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:15:48,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:15:48,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:15:48,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:15:48,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:15:48,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:15:48,917 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:15:48,918 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:15:48,918 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:15:48,920 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:15:48,921 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:15:48,921 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:15:48,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:15:48,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:15:48,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:15:48,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:15:48,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:15:48,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:15:48,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:15:48,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:15:48,927 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:15:48,928 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:15:48,928 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:15:48,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:15:48,929 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:15:48,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:15:48,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:15:48,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:15:48,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:15:48,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:15:48,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:15:48,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:15:48,933 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:15:48,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:15:48,933 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:15:48,935 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:15:48,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:15:48,935 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d0dccb546eb4b6073440e35f84e65f26e1b336b28d43ba14294b887452d7de1 [2023-11-19 04:15:49,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:15:49,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:15:49,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:15:49,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:15:49,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:15:49,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i [2023-11-19 04:15:52,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:15:54,985 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:15:54,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/sv-benchmarks/c/goblint-coreutils/instrumented_cp_comb.i [2023-11-19 04:15:55,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/data/e7ef6a360/55dfc8b30a044af4920ba99fe531f54c/FLAGb9e1e3826 [2023-11-19 04:15:55,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34209f6e-a0be-40d8-8828-545e9c4b11e7/bin/utaipan-verify-t7M7D8N6sZ/data/e7ef6a360/55dfc8b30a044af4920ba99fe531f54c [2023-11-19 04:15:55,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:15:55,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:15:55,319 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:15:55,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:15:55,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:15:55,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:55" (1/1) ... [2023-11-19 04:15:55,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dcbc0c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:15:55, skipping insertion in model container [2023-11-19 04:15:55,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:15:55" (1/1) ... [2023-11-19 04:15:56,098 INFO L177 MainTranslator]: Built tables and reachable declarations